The number of immigrants coming illegally to the United States has been declining for several years. Demographers have repeatedly said as much, and now a report by the Pew Hispanic Center confirms it — illegal migration from Mexico is virtually at a standstill. Last year, about 6.1 million Mexicans were illegally in the country, down from a high of 7 million in 2007.

What accounts for the change after decades of steady increases? A declining birth rate and solid Login to read more